Basionym Name:Parmelia supposita Brusse, Mycotaxon 50: 294 (1994)
Homotypic synonyms:Karoowia supposita (Brusse) Elix, Mycotaxon 63: 340 (1997)Xanthoparmelia supposita (Brusse) O. Blanco, A. Crespo, Elix, D. Hawksw. & Lumbsch, Taxon 53(4): 971 (2004)